Revision Information

This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.

The National Digestive Diseases Information Clearinghouse (NDDIC) is an information and referral service of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). The website provides information for people with digestive diseases and their families, healthcare professionals, and the general public.